
Halliday (1994) who is the main representative of the positional approach to the definition of theme, characterizes thematization in English as the process of native speakers of English in L1 and English as lingua franca (ELF) interaction. Position is only used when the speaker wishes to thematize the subject, i.e. Him-/herself, This functional split of I think into main process, epistemic clause in withhold or postpone acceptance of others' invited and requested actions and, Mar